providers/ldap/sdap_hostid.c

60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev/*
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    Authors:
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        Jan Cholasta <jcholast@redhat.com>
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    Copyright (C) 2012 Red Hat
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    This program is free software; you can redistribute it and/or modify
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    it under the terms of the GNU General Public License as published by
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    the Free Software Foundation; either version 3 of the License, or
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    (at your option) any later version.
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    This program is distributed in the hope that it will be useful,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    but WITHOUT ANY WARRANTY; without even the implied warranty of
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    GNU General Public License for more details.
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    You should have received a copy of the GNU General Public License
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    along with this program.  If not, see <http://www.gnu.org/licenses/>.
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev*/
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev#include "util/util.h"
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev#include "util/crypto/sss_crypto.h"
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev#include "db/sysdb_ssh.h"
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev#include "providers/ldap/ldap_common.h"
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev#include "providers/ldap/sdap_async.h"
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev#include "providers/ldap/sdap_hostid.h"
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstruct hosts_get_state {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_context *ev;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sdap_id_ctx *id_ctx;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sdap_id_op *op;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sss_domain_info *domain;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    const char *name;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    const char *alias;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    size_t count;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sysdb_attrs **hosts;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    int dp_error;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev};
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic errno_t
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_retry(struct tevent_req *req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic void
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_connect_done(struct tevent_req *subreq);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic void
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_done(struct tevent_req *subreq);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstruct tevent_req *
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_send(TALLOC_CTX *memctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev               struct tevent_context *ev,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev               struct sdap_id_ctx *id_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev               const char *name,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev               const char *alias)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct hosts_get_state *state;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    errno_t ret;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    req = tevent_req_create(memctx, &state, struct hosts_get_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (!req) return NULL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->ev = ev;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->id_ctx = id_ctx;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->dp_error = DP_ERR_FATAL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->op = sdap_id_op_create(state, id_ctx->conn->conn_cache);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (!state->op) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        DEBUG(SSSDBG_OP_FAILURE, "sdap_id_op_create failed\n");
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = ENOMEM;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto fail;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->domain = id_ctx->be->domain;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->name = name;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->alias = alias;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = hosts_get_retry(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (ret != EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto fail;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevfail:
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_error(req, ret);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_post(req, ev);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic errno_t
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_retry(struct tevent_req *req)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct hosts_get_state *state = tevent_req_data(req,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                                    struct hosts_get_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *subreq;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    errno_t ret = EOK;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    subreq = sdap_id_op_connect_send(state->op, state, &ret);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (!subreq) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        return ret;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_set_callback(subreq, hosts_get_connect_done, req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return EOK;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic void
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_connect_done(struct tevent_req *subreq)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *req = tevent_req_callback_data(subreq,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                                      struct tevent_req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct hosts_get_state *state = tevent_req_data(req,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                                    struct hosts_get_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    int dp_error = DP_ERR_FATAL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    errno_t ret;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = sdap_id_op_connect_recv(subreq, &dp_error);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    talloc_zfree(subreq);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (ret != EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        state->dp_error = dp_error;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        tevent_req_error(req, ret);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        return;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    subreq = sdap_host_info_send(state, state->ev,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                 sdap_id_op_handle(state->op),
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                 state->id_ctx->opts, state->name,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                 state->id_ctx->opts->host_map,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                 state->id_ctx->opts->sdom->host_search_bases);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (!subreq) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        tevent_req_error(req, ENOMEM);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        return;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_set_callback(subreq, hosts_get_done, req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic void
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_done(struct tevent_req *subreq)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *req = tevent_req_callback_data(subreq,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                                      struct tevent_req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct hosts_get_state *state = tevent_req_data(req,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                                    struct hosts_get_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    int dp_error = DP_ERR_FATAL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    errno_t ret;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sysdb_attrs *attrs;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    time_t now = time(NULL);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = sdap_host_info_recv(subreq, state,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                              &state->count, &state->hosts);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    talloc_zfree(subreq);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = sdap_id_op_done(state->op, ret, &dp_error);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (dp_error == DP_ERR_OK && ret != EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        /* retry */
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = hosts_get_retry(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        if (ret != EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev            goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        return;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (ret != EOK && ret != ENOENT) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (state->count == 0) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        DEBUG(SSSDBG_OP_FAILURE,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev              "No host with name [%s] found.\n", state->name);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = sysdb_delete_ssh_host(state->domain, state->name);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        if (ret != EOK && ret != ENOENT) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev            goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = EINVAL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (state->count > 1) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        DEBUG(SSSDBG_CRIT_FAILURE,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev              "Found more than one host with name [%s].\n", state->name);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = EINVAL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    attrs = sysdb_new_attrs(state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (!attrs) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = ENOMEM;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    /* we are interested only in the host keys */
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = sysdb_attrs_copy_values(state->hosts[0], attrs, SYSDB_SSH_PUBKEY);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (ret != EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = sysdb_store_ssh_host(state->domain, state->name, state->alias,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                               state->domain->ssh_host_timeout, now, attrs);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (ret != EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto done;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    dp_error = DP_ERR_OK;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevdone:
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state->dp_error = dp_error;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (ret == EOK) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        tevent_req_done(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    } else {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        tevent_req_error(req, ret);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic errno_t
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevhosts_get_recv(struct tevent_req *req,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev               int *dp_error_out)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct hosts_get_state *state = tevent_req_data(req,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                                                    struct hosts_get_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (dp_error_out) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        *dp_error_out = state->dp_error;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    TEVENT_REQ_RETURN_ON_ERROR(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return EOK;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstruct sdap_hostid_handler_state {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct dp_reply_std reply;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev};
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic void sdap_hostid_handler_done(struct tevent_req *subreq);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstruct tevent_req *
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevsdap_hostid_handler_send(TALLOC_CTX *mem_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct sdap_id_ctx *id_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct dp_hostid_data *data,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct dp_req_params *params)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sdap_hostid_handler_state *state;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *subreq;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    errno_t ret;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    req = tevent_req_create(mem_ctx, &state, struct sdap_hostid_handler_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (req == NULL) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create() failed\n");
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        return NULL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    subreq = hosts_get_send(state, params->ev, id_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                            data->name, data->alias);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    if (subreq == NULL) {
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        DEBUG(SSSDBG_CRIT_FAILURE, "Unable to send request\n");
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        ret = ENOMEM;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev        goto immediately;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    }
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_set_callback(subreq, sdap_hostid_handler_done, req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevimmediately:
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    dp_reply_std_set(&state->reply, DP_ERR_DECIDE, ret, NULL);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    /* TODO For backward compatibility we always return EOK to DP now. */
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_done(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_post(req, params->ev);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevstatic void sdap_hostid_handler_done(struct tevent_req *subreq)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sdap_hostid_handler_state *state;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct tevent_req *req;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    int dp_error;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    errno_t ret;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    req = tevent_req_callback_data(subreq, struct tevent_req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state = tevent_req_data(req, struct sdap_hostid_handler_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    ret = hosts_get_recv(subreq, &dp_error);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    talloc_zfree(subreq);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    /* TODO For backward compatibility we always return EOK to DP now. */
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    dp_reply_std_set(&state->reply, dp_error, ret, NULL);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    tevent_req_done(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Veneverrno_t
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venevsdap_hostid_handler_recv(TALLOC_CTX *mem_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct tevent_req *req,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct dp_reply_std *data)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    struct sdap_hostid_handler_state *state = NULL;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    state = tevent_req_data(req, struct sdap_hostid_handler_state);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    TEVENT_REQ_RETURN_ON_ERROR(req);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    *data = state->reply;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return EOK;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Veneverrno_t sdap_hostid_init(TALLOC_CTX *mem_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct be_ctx *be_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct sdap_id_ctx *id_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                         struct dp_method *dp_methods)
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev{
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    (void)be_ctx;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    dp_set_method(dp_methods, DPM_HOSTID_HANDLER,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                  sdap_hostid_handler_send, sdap_hostid_handler_recv, id_ctx,
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev                  struct sdap_id_ctx, struct dp_hostid_data, struct dp_reply_std);
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev    return EOK;
60a715a0dd79873d2d2607eab8fdfaf0ffd2e7d3Hristo Venev}